News tagged with elliptical galaxies

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Image: Hubble shoots Bright Quasar 3C 273

(Phys.org) —This image from Hubble's Wide Field and Planetary Camera 2 (WFPC2) is likely the best of ancient and brilliant quasar 3C 273, which resides in a giant elliptical galaxy in the constellation ...

Nov 25, 2013
4.8 / 5 (12) 3 | with audio podcast

Hubble catches the moment the lights went out

(Phys.org)—The further away you look, the further back in time you see. Astronomers use this fact to study the evolution of the Universe by looking at nearby and more distant galaxies and comparing their ...

Feb 06, 2013
4.5 / 5 (12) 5 | with audio podcast

'Dead' galaxies are not so dead after all

(PhysOrg.com) -- University of Michigan astronomers examined old galaxies and were surprised to discover that they are still making new stars. The results provide insights into how galaxies evolve with time.

May 30, 2011
4.7 / 5 (11) 6 | with audio podcast

Witnessing the early growth of a giant

Astronomers have uncovered for the first time the earliest stages of a massive galaxy forming in the young Universe. The discovery was made possible through combining observations from the NASA/ESA Hubble ...

Aug 27, 2014
5 / 5 (10) 0

ALMA turns its eyes to Centaurus A

(Phys.org) -- A new image of the galaxy Centaurus A, made with the Atacama Large Millimeter/submillimeter Array (ALMA), shows how the observatory allows astronomers to see through the opaque dust lanes that ...

May 31, 2012
4.9 / 5 (10) 0 | with audio podcast

Hubble spots galaxies in close encounter

(Phys.org) —The NASA/ESA Hubble Space Telescope has produced this vivid image of a pair of interacting galaxies known as Arp 142. When two galaxies stray too close to each other they begin to interact, ...

Jun 20, 2013
4.6 / 5 (9) 0 | with audio podcast

Most elliptical galaxies are 'like spirals'

(PhysOrg.com) -- The majority of 'elliptical' galaxies are not spherical but disc-shaped, resembling spiral galaxies such as our own Milky Way with the gas and dust removed, new observations suggest.

Jun 20, 2011
5 / 5 (8) 15 | with audio podcast

Hubble sees a spiral within a spiral

(Phys.org) -- NASA's Hubble Space Telescope captured this image of the spiral galaxy known as ESO 498-G5. One interesting feature of this galaxy is that its spiral arms wind all the way into the center, so ...

May 28, 2012
5 / 5 (8) 8 | with audio podcast

Mining data archives yields haul of 'red nuggets'

The world of astronomy has changed. An astronomer used to have to travel to a remote location and endure long, cold nights, patiently guiding a telescope to collect precious photons of light. Now, a proliferation ...

Jun 11, 2014
4.4 / 5 (9) 1